Light bulb



FIG. 1 is a bottom isometric view of a light bulb showing the design.

FIG. 2 is a first side elevation view thereof.

FIG. 3 is a second side elevation view thereof.

FIG. 4 is a third side elevation view thereof.

FIG. 5 is a fourth side elevation view thereof.

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The shading lines shown in the drawings represent the three-dimensional contour of the claimed design and are not intended to indicate surface decoration. 

CLAIM The ornamental design for a light bulb, as shown and described. 